Zoe paid a total of $315 for a vest, a skirt and a jacket. The vest cost
18 of the total cost of the skirt and the jacket. The jacket cost
16 of the total cost of the vest and the skirt. Find the total cost of the jacket and the vest.
| Vest |
Skirt |
Jacket |
Total |
1x7 =
7 u |
8x7 =
56 u |
9x7 =
63 u |
6x9 =
54 u |
1x9 =
9 u |
7x9 =
63 u |
| 7 u |
47 u |
9 u |
63 u |
Total amount that Zoe paid for the vest, the skirt and the jacket = 63 u
63 u = 315
1 u = 315 ÷ 63 = 5
Total cost of the jacket and the vest
= 7 u + 9 u
= 16 u
= 16 x 5
= $80
Answer(s): $80
